Clarification of Linear Equations

Super Bowl Contender: The probability that San Francisco plays in the next Super Bowl is nine times the probability that they do not play in the next Super Bowl. The probability that San Francisco plays in the next Super Bowl plus the probability that they do play is 1. What is the probability that San Francisco plays in the next Super Bowl?

Solution Summary

This provides an example of using a system of linear equations to solve a word problem. It uses brief calculations to arrive at the correct answer.